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6. To compute a value for the unknown variable (interest rate), press #
or " until NOM or EFF is displayed, and then press %. The
calculator displays the computed value.
Example: A bank offers a certificate that pays a nominal interest rate of
15% with quarterly compounding. What is the annual effective interest
rate?
Answer: A nominal interest rate of 15% compounded quarterly is
equivalent to an annual effective interest rate of 15.87%.
Date Worksheet
Date Worksheet Variables
To Press Display
Select Interest Conversion
worksheet.
& v NOM=
0
Enter nominal interest rate. 15 ! NOM= 15.00
Enter number of compounding
periods per year.
# #
4 ! C/Y= 4.00
Compute annual effective
interest rate.
" % EFF=
15.87
Use the Date worksheet to find the number of days
between two dates. You can also compute a date and day
of the week based on a starting date and a specified
number of days.
• To access the Date worksheet, press & u.
• To access the date variables, press # or ".
• To select the day-count method (
ACT and 360), press
& V once for each option.
Variable Key Display Variable Type
Date 1 & u DT1 Enter/compute
Date 2 # DT2 Enter/compute
Days between dates # DBD Enter/compute
Actual/actual day-count method #
ACT*Setting
30/360 day-count method #
360*Setting